200123231113 has 8 divisors (see below), whose sum is σ = 219583691208. Its totient is φ = 181243680384.

The previous prime is 200123231057. The next prime is 200123231167. The reversal of 200123231113 is 311132321002.

It can be written as a sum of positive squares in 4 ways, for example, as 383063184 + 199740167929 = 19572^2 + 446923^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 200123231113 - 2²⁹ = 199586360201 is a prime.

It is a super-2 number, since 2×200123231113² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200123231713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145226620 + ... + 145227997.

It is an arithmetic number, because the mean of its divisors is an integer number (27447961401).

Almost surely, 2^200123231113 is an apocalyptic number.

It is an amenable number.

200123231113 is a deficient number, since it is larger than the sum of its proper divisors (19460460095).

200123231113 is a wasteful number, since it uses less digits than its factorization.

200123231113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290454683.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 200123231113 its reverse (311132321002), we get a palindrome (511255552115).

The spelling of 200123231113 in words is "two hundred billion, one hundred twenty-three million, two hundred thirty-one thousand, one hundred thirteen".